System and method for synchronous clock re-generation from a non-synchronous interface

A system for recreating for transferring graphical data from a source to a receiver, comprising:

• a source of graphical data including,
• a circuit to convert the frequency dependent data, associated with a source pixel clock frequency, to frequency independent data, and
• a transmitter to transmit, at a fixed rate, clock data corresponding to a source pixel clock frequency associated with frequency dependent data and to transmit, at a fixed rate, frequency independent data;
• and
• a receiver, communicatively connected to said source;
• said receiver including,
• a memory to store received frequency independent data,
• a digital clock synthesizer to re-create, based upon received clock data, a pixel clock signal having a frequency corresponding to the frequency of the source pixel clock frequency associated with frequency dependent data, and
• a retrieval circuit to retrieve the stored data from the memory using the re-created pixel clock signal to generate frequency dependent data.

A component for converting frequency independent data into frequency dependent data, comprising:

• a receiver to receive, at a fixed data rate, frequency independent data;
• a memory to store frequency independent data;
• a digital clock synthesizer to re-create a pixel clock signal having a frequency corresponding to a frequency of a source pixel clock frequency associated with frequency dependent data;
• and
• a retrieval circuit to retrieve the stored data from the memory using the re-created pixel clock signal to generate frequency dependent data.

A system for transmitting data generated by a data source to a device, comprising:

• a communication channel;
• a first circuit to receive frequency dependent data from the data source, having a predetermined resolution format and a data clock frequency associated therewith, and to generate timing information and frequency independent data therefrom;
• a first transmitter, operatively connected to said communication channel, to transmit the frequency independent data and timing information at a fixed rate;
• a second circuit, operatively connected to said communication channel, to receive the timing information and the frequency independent data;
• a memory to store the frequency independent data;
• a digital clock synthesizer to re-create, based upon received timing information, a pixel clock signal having a frequency corresponding to the frequency of the source pixel clock frequency associated with frequency dependent data;
• a retrieval circuit to retrieve the stored data from the memory using the re-created pixel clock signal to generate frequency dependent data;
• and
• a second transmitter, operatively connected to said retrieval circuit, to transmit the frequency dependent data having the pre-determined resolution associated therewith to a device.

A system for transmitting data between a remote central computing facility and a local workstation, comprising:

• a remote central computing facility including a plurality of primary processing devices;
• an electrical/optical interface, operatively connected to said remote central computing facility, to provide an individual communication channel for each primary processing device;
• a plurality of communication cables operatively connected to said electrical/optical interface;
• and
• a local workstation operatively connected to a communication cable;
• said communication cables, each including,
• an optical fiber,
• a sheath, surrounding said optical fiber, to protect said optical fiber, and
• a tension member, located within said sheath, to provide tensile stiffness for said optical fiber;
• said electrical/optical interface including,
• a first circuit to receive frequency dependent data from a graphical data source associated with a first primary processing device, having a predetermined resolution format and a data clock frequency associated therewith, and to generate timing information and frequency independent data therefrom, and
• a first transmitter, operatively connected to a communication channel associated with said first primary processing device, to transmit, at a fixed rate, the timing information and the frequency independent data along said optical fiber;
• said local workstation including a workstation interface;
• said workstation interface including,
• a circuit, operatively connected to said communication cable, to receive the timing information and the frequency independent data,
• a memory to store the frequency independent data,
• a digital clock synthesizer to re-create, based upon received timing information, a pixel clock signal having a frequency corresponding to the frequency of the source pixel clock frequency associated with frequency dependent data,
• a retrieval circuit to retrieve the stored data from the memory using the re-created pixel clock signal to generate frequency dependent data, and
• a display circuit, operatively connected to said extraction circuit, to transmit the frequency dependent data having the pre-determined resolution associated therewith to a display device.